摘要
该文通过介绍使用GPS测点来纠正不带坐标的设计地形图,从而把燃气管线、设备位置较正确地定位到图纸上,使得测绘的内、外业工作能顺利完成。
By using GPS measuring point to correct topographic map without coordinates, the positions of gas pipelines and facilities can be positioned correctly on drawings to make indoor and outdoor surveying work complete smoothly.
出处
《城市公用事业》
2012年第6期31-33,58,共3页
Public Utilities
